{"id":"clm_B979F23293B4","entity":"microsoft","predicate":"founded","value":"1975-04-04","value_json":{"rank":"normal","check":{"by":"research, quote read on the page","on":"2026-10-30","url":"https://www.history.com/this-day-in-history/april-4/microsoft-founded","quote":"On April 4, 1975, at a time when most Americans used typewriters, childhood friends Bill Gates and Paul Allen found Microsoft, a company that makes computer software.","outcome":"checked"},"wikidata":"Q2283","precision":11,"demoted_on":"2026-10-28","demoted_reason":"wikidata is an index, not a source: valid needs a primary source or two independent domains"},"valid_from":"1975-04-04","valid_to":null,"published":"2015-10-09","recorded":"2026-10-27","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-27T14:57:44.292962+00:00","updated_at":"2026-10-30T23:33:13.696086+00:00","sources":[{"url":"https://www.theverge.com/news/643251/microsoft-50-years-old-anniversary","tier":"secondary","publisher":"The Verge","published_at":"2025-04-04T00:00:00+00:00"},{"url":"https://www.wikidata.org/wiki/Q2283","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.sec.gov/Archives/edgar/data/789019/000156459018019062/msft-10k_20180630.htm","tier":"primary","publisher":"Microsoft Corp. (FY2018 Form 10-K)","published_at":"2018-08-03T00:00:00+00:00"},{"url":"https://www.history.com/this-day-in-history/april-4/microsoft-founded","tier":"secondary","publisher":"HISTORY.com (A&E)","published_at":"2015-10-09T00:00:00+00:00"},{"url":"https://news.microsoft.com/es-es/2015/04/06/historia-microsoft-40-aniversario/","tier":"primary","publisher":null,"published_at":null}],"evidence":{"by":"page-read","on":"2026-10-30","quote":"On April 4, 1975, at a time when most Americans used typewriters, childhood friends Bill Gates and Paul Allen found Microsoft, a company that makes computer software.","url":"https://www.history.com/this-day-in-history/april-4/microsoft-founded"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}